publicList<Buku>GetByName(stringjudul){thrownewException("The method or operation is not implemented.");}publicBukuGetByID(stringbukuID){thrownewException("The method or operation is not implemented.");}publicDataSetGetReportByName(stringjudul){thrownewException("The method or operation is not implemented.");}publicintSave(Bukubuku){thrownewException("The method or operation is not implemented.");}publicintUpdate(Bukubuku){thrownewException("The method or operation is not implemented.");}publicintDelete(Bukubuku){thrownewException("The method or operation is not implemented.");}publicList<Buku>GetAll(){thrownewException("The method or operation is not implemented.");}publicDataSetGetReportAll(){thrownewException("The method or operation is not implemented.");}